What's a computer's most sacred holiday?

Why do teachers make so many pies in September?

Why was the math book sad in winter?

Why do worms taste like chewing gum?

What do chefs do in their spare time?

Why did the sparrow go to the library?

What did one tectonic plate say when he bumped into the other?

What do you call two dentists that are very different?

What happened when the dentist got in a car accident?

What is a ghost's favorite bedtime story?

Why am I no longer addicted to the hokey pokey?

Why are ghosts always single?

Where do milkshakes come from?

What's worse than finding a worm in your apple?

What happened when the cow ate too many Hershey™ bars?